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Operating system direct to hardware using a
direct driver. Direct drivers, which bypass BIOS,
have the advantage of faster throughput, but the
disadvantage of limited error-handling capability and
reduced software and hardware compatibility and
flexibility. This method is not used in the IBM PC
Series systems.
Operating system to BIOS to hardware. This is the
recommended way. It's the most flexible because it's
independent of the hardware.
Applications to operating system to BIOS to
hardware. This method is inflexible and operating
system dependent.
Applications to BIOS to hardware. This method
has some flexibility but it is BIOS dependent.
Applications to hardware. This method is hardware
dependent and very inflexible, however, it is very fast,
very efficient, and it has no overhead.
Adding adapters to the System
When adapters are added to the system, an area in
memory has to be allocated to run its programs. This can
be done with either hardware switches or software
mapping.
If there is a conflict in software mapping:
The first device to attach to an IRQ, DMA, I/O
Address, or RAM location will probably function. The
second device will not be found.
Standalone diagnostics might function properly
because the device that was found is the only device
running.
Software configuration conflicts occur when:
Hardware is configured differently then the software
using it expects it to be.
Hardware memory address space is in conflict with
memory used by the application software.
System Resource Conflicts
System failures occur when there are system resource
conflicts with the:
Interrupt Request Queue (IRQ)
Direct Memory Access (DMA)
I/O Address
ROM and RAM Addresses
IRQ:
Assigns a unique interrupt request line to every I/O
device (line numbers range from 0 to 15).
Interrupts the processor to force it to service the
request.
Handles interrupts on a priority basis (low numbers
have the highest priority).
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IBM PC 300/700, IntelliStation Series HMM
Содержание 689912U - IntelliStation Z - Pro 6899
Страница 2: ......
Страница 10: ...viii IBM PC 300 700 IntelliStation Series HMM...
Страница 95: ...Notes Service Information 85...
Страница 96: ...Type 6272 Parts 1 2 3 4 5 6 7 8 9 10 11 86 IBM PC 300 700 IntelliStation Series HMM...
Страница 99: ...Type 6275 Parts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Service Information 89...
Страница 101: ...Type 6282 6284 Parts 1 2 3 4 5 6 7 8 9 10 11 12 Service Information 91...
Страница 106: ...Type 6X7X Parts 10 1 2 5 4 6 9 7 8 3 96 IBM PC 300 700 IntelliStation Series HMM...
Страница 107: ...Type 6X8X Parts 1 2 3 4 10 11 5 6 7 8 9 Service Information 97...
Страница 117: ...Type 6560 Parts 1 2 3 4 5 6 7 8 9 Service Information 107...
Страница 120: ...Type 6561 Parts 1 2 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 4 110 IBM PC 300 700 IntelliStation Series HMM...
Страница 122: ...Type 6562 Parts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 112 IBM PC 300 700 IntelliStation Series HMM...
Страница 124: ...Type 6588 6888 Parts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 114 IBM PC 300 700 IntelliStation Series HMM...
Страница 127: ...Type 6591 Parts 1 2 3 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 4 Service Information 117...
Страница 129: ...Type 6592 Parts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Service Information 119...
Страница 131: ...Type 6598 Parts 1 2 3 4 5 6 7 8 9 10 11 12 Service Information 121...
Страница 133: ...Type 6862 Parts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Service Information 123...
Страница 141: ...Type 6893 Parts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Service Information 131...
Страница 143: ...Type 6898 Parts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 23 24 25 21 Service Information 133...
Страница 146: ...Type 6899 Parts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 136 IBM PC 300 700 IntelliStation Series HMM...
Страница 275: ...Computer Exploded View Type 6282 6284 Reference Information 265...
Страница 280: ...Tab Removal Type 6285 Fan Removal Type 6285 Tab Hooks 270 IBM PC 300 700 IntelliStation Series HMM...
Страница 281: ...Computer Exploded View Type 6X7X Reference Information 271...
Страница 282: ...Computer Exploded View Type 6X8X 272 IBM PC 300 700 IntelliStation Series HMM...
Страница 283: ...Computer Exploded View Type 6560 Reference Information 273...
Страница 288: ...Drive Cage Service Type 6561 Fan Removal Type 6561 Tab 278 IBM PC 300 700 IntelliStation Series HMM...
Страница 291: ...System Board Installation Type 6562 Tab System Board Latch Latch Support Reference Information 281...
Страница 292: ...Drive Cage Service Type 6562 282 IBM PC 300 700 IntelliStation Series HMM...
Страница 303: ...Non removable Drive Cage Type 6591 Tab Removal Type 6591 Fan Removal Type 6591 Tab Reference Information 293...
Страница 315: ...Cage Removal Type 6889 Reference Information 305...
Страница 321: ...Tab Removal Type 6892 Fan Removal Type 6892 Tab Hooks Reference Information 311...
Страница 328: ...Cage Removal Type 6898 318 IBM PC 300 700 IntelliStation Series HMM...
Страница 329: ...Computer Exploded View Type 6899 Removal procedures for the top cover is on the following page Reference Information 319...
Страница 330: ...Unlock the cover before removing 320 IBM PC 300 700 IntelliStation Series HMM...
Страница 331: ...Keylock Assembly Exploded View Desktop Models Reference Information 321...
Страница 349: ...PC 330 350 Series Type 65X5 Pentium 60 MHz System Board Reference Information 339...
Страница 361: ...PC 330 350 Series Type 6577 6587 Pentium 100 133 166 200 MHz System Board 2 0 1 Reference Information 351...
Страница 375: ...PC 730 750 Series Type 6875 6876 6885 6886 Pentium 75 90 100 120 133 MHz System Board 27 29 Reference Information 365...
Страница 390: ...Diskette Access SW1 8 Write Enabled Off D Write Protected On 380 IBM PC 300 700 IntelliStation Series HMM...
Страница 391: ...IntelliStation Type 6898 Pentium II 233 266 300 MHz System Board 33 34 37 32 35 38 31 36 39 Reference Information 381...
Страница 470: ...460 IBM PC 300 700 IntelliStation Series HMM...
Страница 471: ......
Страница 472: ...IBM Part Number 10L9181 Printed in U S A S83G 7789 16...